View Compilation Error

0_0_31572159_8446.cpp: In function 'll dis(node, node)':
0_0_31572159_8446.cpp:35:4: error: redefinition of 'll dis(node, node)'
 ll dis(node A, node B){
    ^
0_0_31572159_8446.cpp:18:4: note: 'll dis(node, node)' previously defined here
 ll dis(node A, node B){
    ^